function getRefToDiv(divID) {
    if( document.getElementById ) { //DOM; IE5, NS6, Mozilla, Opera
        return document.getElementById(divID); }
    if( document.all ) { //Proprietary DOM; IE4
        return document.all[divID]; }
    if( document.layers ) { //Netscape layers
        return document.layers[divID]; }
    if( document[divID] ) { //Netscape alternative
        return document[divID]; }
    return false;
}

function write_email(stem) {
	var tld = "co.uk";
	var subd = "jwnash";
	if (document.getElementById && document.createTextNode && document.createElement) {
		var link = stem + "@" + subd + "." + tld;
		var insertNode = getRefToDiv(stem);
		var textNode = document.createTextNode(link);
		var hyperlinkNode = document.createElement('a');
		hyperlinkNode.appendChild(textNode);
		hyperlinkNode.setAttribute('href', 'mai' + 'lto:' + link);
		insertNode.appendChild(hyperlinkNode);
	} else {
		document.write('<a href="mai');
		document.write('lto:' + stem + "@");
		document.write(subd);
		document.write("." + tld);
		document.write('">' + stem + "@");
		document.write(subd);
		document.write("." + tld + "<\/" + "a>.");
	}
}